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How to remove convexity defects in a Sudoku square?
... grid:
mask = FillingTransform[largestComponent]
Now, I can use a 2nd order derivative filter to find the vertical and horizontal lines in two separate images:
lY = ImageMultiply[MorphologicalBinarize[GaussianFilter[srcAdjusted, 3, {2, 0}], {0.02, 0.05}], mask];
lX = ImageMultiply[Morphologica...
Remove a JSON attribute [duplicate]
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@ggb667 you don't need to. Ordering doesn't matter for a JSON object. Without getting too deep in my explanation, it's like a Dictionary (or Map). Order matters if you are dealing with an array that contains objects or other values, since they don't ha...
Define make variable at rule execution time
...porary directory created) whenever the rules for out.tar are evaluated. In order to create the directory only when out.tar is actually fired, you need to move the directory creation down into the steps:
out.tar :
$(eval TMP := $(shell mktemp -d))
@echo hi $(TMP)/hi.txt
tar -C $(TMP) cf...
How to use count and group by at the same select statement
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If you want to order by count (sound simple but i can`t found an answer on stack of how to do that) you can do:
SELECT town, count(town) as total FROM user
GROUP BY town ORDER BY total DESC
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PostgreSQL: Show tables in PostgreSQL
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psql my_db_name should be run in order \dt to work. When I ran psql without a database name, I got a "No relations found" message
– Maksim Dmitriev
Nov 19 '13 at 15:01
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Who is “us” and who is “them” according to Git?
... What about when only one branch is involved, such as when re-ordering or squashing commits during a rebase?
– Justin Johnson
Sep 10 '16 at 0:55
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Are Mutexes needed in javascript?
... to a DB to get some values. Quickly typing data can easily lead to out-of-order results.
– thomasb
Nov 17 '17 at 16:15
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What is the advantage of GCC's __builtin_expect in if else statements?
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after_if:
You can see that the instructions are arranged in such an order that the bar case precedes the foo case (as opposed to the C code). This can utilise the CPU pipeline better, since a jump thrashes the already fetched instructions.
Before the jump is executed, the instructions below ...
IntelliJ Organize Imports
...mport" as described by Dave.
You can also modify how the imports are auto-ordered under "Settings → Editor → Code Style → Java → Imports"
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How to use sidebar with the keyboard in Sublime Text 2 and 3?
...trl + b will show/hide the sidebar. Make sure you hit K and B in the right order
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